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Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296288 Sat Jan 26 2019 02:20 AM
Joined: Mar 2004
Posts: 3,815
M
Mike B Offline
Shop Shark
Frozone,

The AOHB system looks just like a Hydrovac system except it used compressed air instead of vacuum, so the MC and it's linkage are the same either way. The AOHB Booster is also smaller in diameter that the Hydrovac Booster.

Mike B smile

Re: Dutch 1958 Viking ratification [Re: Mike B] #1296490 Sun Jan 27 2019 08:41 PM
Joined: Jan 2019
Posts: 49
S
Steve-W Offline OP
Wrench Fetcher
Originally Posted by Mike B
Frozone,

The AOHB system looks just like a Hydrovac system except it used compressed air instead of vacuum, so the MC and it's linkage are the same either way. The AOHB Booster is also smaller in diameter that the Hydrovac Booster.

Mike B smile


this is good info guys, thanks for sharing!

Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296491 Sun Jan 27 2019 08:41 PM
Joined: Jan 2019
Posts: 49
S
Steve-W Offline OP
Wrench Fetcher
Today is my birthday and as any loving wife would do she asked my what I wanted to do.
My answer? Shorten the wheelbase of the Viking..
An so I did. What we came up with is that between the front and the rear leave spring mount there is exactly 1 meter 30, or in American 51”. Instead of cutting the frame, we just brought the axle forward and modified the front mounts.

Here the axle still in place:
[img]https://myalbum.com/photo/t0ZIqskvRMFg/360.jpg[/img]

Here the rear mount:
[img]https://myalbum.com/photo/fSBZHCD7fQ73/360.jpg[/img]
And the front one:
[img]https://myalbum.com/photo/uCKGKher2DbO/360.jpg[/img]

Seeing they are identical, the holes line up easily. I bought some heavy duty drill’s 10mm (little under 4”) and drilled out the rivets. Easy job with a proper drill and drilling oil.
[img]https://myalbum.com/photo/52hI68T8cfUU/360.jpg[/img]

We took of the front mounts from the spring for easy maneuvering.
[img]https://myalbum.com/photo/7jeNVWSUUJA2/360.jpg[/img]

The back mounts lined up like a charm
[img]https://myalbum.com/photo/6iDn8AnxjTgD/360.jpg[/img]

We used 10.9 bolts M12 (little over 7/16”) which we tightened to 110Nm (81ft-lb)
[img]https://myalbum.com/photo/QVzvff4Wzy1I/360.jpg[/img]

We then modified the front mounts by cutting off the lip so we could mount them at any hight we wanted. So we measured 2,3 and 4 times, just to be sure!
[img]https://myalbum.com/photo/zj9bOy6h5rD7/360.jpg[/img]
[img]https://myalbum.com/photo/TMKRqPIXQkcL/360.jpg[/img]

Then it was the fun part
[img]https://myalbum.com/photo/mXEDJo2Ii3Cv/360.jpg[/img]

So what does it like like now?
[img]https://myalbum.com/photo/dVeES2vlgOHB/360.jpg[/img]

And the funny thing is, just by luck it is exactly the same lenth as the C10
[img]https://myalbum.com/photo/gujeHgLJA59C/360.jpg[/img]
[img]https://myalbum.com/photo/wYUou973Ogcb/360.jpg[/img]
[img]https://myalbum.com/photo/dVeES2vlgOHB/360.jpg[/img]

looks nice together
[img]https://myalbum.com/photo/LMNUmH54Ij2p/360.jpg[/img]

Now it fit's in the garage smile
[img]https://myalbum.com/photo/4PK0sIuD7dom/360.jpg[/img]


All and All, it took us exactly 4hrs to get the job done! (maybe because it's my birthday?? #happycamper

Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296561 Mon Jan 28 2019 03:29 AM
Joined: Mar 2014
Posts: 160
J
Jon Patton Offline
Shop Shark
On the original pictures of your spring hangers, I noticed a crossmember at each location. Did you have to relocate the crossmembers too?

Re: Dutch 1958 Viking ratification [Re: Mike B] #1296585 Mon Jan 28 2019 11:17 AM
Joined: Mar 2017
Posts: 29
F
Frozone Offline
Wrench Fetcher
Originally Posted by Mike B
Frozone,

The AOHB system looks just like a Hydrovac system except it used compressed air instead of vacuum, so the MC and it's linkage are the same either way. The AOHB Booster is also smaller in diameter that the Hydrovac Booster.

Mike B smile


Thanks for enriching my knowledge. My answer was based on another truck I had where the hydraulic part of the booster was mounted under the bed of the truck. In that truck there was just an airline going from the brake pedal to the brake booster mounted under the bed. I just assumed this was the case for this truck as well, my bad.


'52 Cadillac Coupe de Ville (to be restored)
'56 GMC 450 (work in progress)
'79 GMC C15 (fully restored)
Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296587 Mon Jan 28 2019 11:20 AM
Joined: Mar 2017
Posts: 29
F
Frozone Offline
Wrench Fetcher
Originally Posted by Steve-W


Then it was the fun part
[img]https://myalbum.com/photo/mXEDJo2Ii3Cv/360.jpg[/img]




Nice job. What are you going to do with the part of the frame you cut of??

Maybe I'm interested in the part if it's the same size as mine.


'52 Cadillac Coupe de Ville (to be restored)
'56 GMC 450 (work in progress)
'79 GMC C15 (fully restored)
Re: Dutch 1958 Viking ratification [Re: Jon Patton] #1296625 Mon Jan 28 2019 05:38 PM
Joined: Jan 2019
Posts: 49
S
Steve-W Offline OP
Wrench Fetcher
Originally Posted by Jon Patton
On the original pictures of your spring hangers, I noticed a crossmember at each location. Did you have to relocate the crossmembers too?


No, the crossmember at the front spring hanger, which is now the rear spring hanger smile is still there and just by coincidence the location of the front spring hanger is now at the crossmember where the driveshaft bearing is located.
seeing we're not building a drag racer, I think it should be strong enough, but I'm open to suggestions.

Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296652 Mon Jan 28 2019 09:33 PM
Joined: Mar 2014
Posts: 160
J
Jon Patton Offline
Shop Shark
Well I noticed that you moved everything forward the length of the spring assemblies, and wondered if the crossmembers lined up also. Question answered. JP

Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296943 Wed Jan 30 2019 10:03 PM
Joined: Jan 2019
Posts: 49
S
Steve-W Offline OP
Wrench Fetcher
I've just gone through a lot of wheel threads and bugger..It's got the widowmaker wheels
[img]https://myalbum.com/photo/qpdUXrXFGG9d/360.jpg[/img]
it says RH5, but I was a bit confused seeing it is 6 lug front and back.. but the picture doesn't lie.

So 1 mission will be to buy some 1 piece rims. If I read all the horror stories about split rims, I want to get rid of them asap.
but one question, hopefully not to stupid.. cant you just weld the parts together, or can't you get the tires on like that?

Re: Dutch 1958 Viking ratification [Re: Steve-W] #1296963 Thu Jan 31 2019 01:05 AM
Joined: Mar 2004
Posts: 3,815
M
Mike B Offline
Shop Shark
The 20" rims do not have the center drop down section allowing the tire bead to drop into it when installing the tire, without that, the bead will not stretch over the rim bead lip.

You're now on the hunt for 22.5 x 6.5 to 7" rims so you can run 9.00 x 22.5 tires.

Firestone RH-5 rims have a 5 degree bead seat angle, hence the "5" in the part number.

Mike B smile

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